APA Style
Encyclopedia International 20 INDEX. (1974).
Canada:
Grolier.
Chicago Style
Encyclopedia International 20 INDEX.
.
Canada:
Grolier,
1974.
Text.
MLA Style
Encyclopedia International 20 INDEX.
.
Canada:
Grolier,
1974.
Text.
Turabian Style
Encyclopedia International 20 INDEX.
Canada:
Grolier,
1974.
Print.